update code base to Marlin 2.0.9.2

Marlin/src/lcd/extui/anycubic_i3mega/anycubic_i3mega_lcd.h

@@ -0,0 +1,95 @@
+/**
+ * anycubic_i3mega_lcd.h  --- Support for Anycubic i3 Mega TFT
+ * Created by Christian Hopp on 09.12.17.
+ * Improved by David Ramiro
+ * Converted to ExtUI by John BouAntoun 21 June 2020
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#pragma once
+
+#include "../../../inc/MarlinConfigPre.h"
+#include "../../../sd/SdFatConfig.h"   // for the FILENAME_LENGTH macro
+
+#define TFTBUFSIZE 4
+#define TFT_MAX_CMD_SIZE 96
+
+enum AnycubicMediaPrintState {
+  AMPRINTSTATE_NOT_PRINTING,
+  AMPRINTSTATE_PRINTING,
+  AMPRINTSTATE_PAUSE_REQUESTED,
+  AMPRINTSTATE_PAUSED,
+  AMPRINTSTATE_STOP_REQUESTED
+};
+
+enum AnycubicMediaPauseState {
+  AMPAUSESTATE_NOT_PAUSED,
+  AMPAUSESTATE_PARKING,
+  AMPAUSESTATE_PARKED,
+  AMPAUSESTATE_FILAMENT_OUT,
+  AMPAUSESTATE_FIAMENT_PRUGING,
+  AMPAUSESTATE_HEATER_TIMEOUT,
+  AMPAUSESTATE_REHEATING,
+  AMPAUSESTATE_REHEAT_FINISHED
+};
+
+class AnycubicTFTClass {
+public:
+  AnycubicTFTClass();
+  static void OnSetup();
+  static void OnCommandScan();
+  static void OnKillTFT();
+  static void OnSDCardStateChange(bool);
+  static void OnSDCardError();
+  static void OnFilamentRunout();
+  static void OnUserConfirmRequired(const char *);
+  static void OnPrintTimerStarted();
+  static void OnPrintTimerPaused();
+  static void OnPrintTimerStopped();
+
+private:
+  static char TFTcmdbuffer[TFTBUFSIZE][TFT_MAX_CMD_SIZE];
+  static int TFTbuflen, TFTbufindr, TFTbufindw;
+  static char serial3_char;
+  static int serial3_count;
+  static char *TFTstrchr_pointer;
+  static uint8_t SpecialMenu;
+  static AnycubicMediaPrintState mediaPrintingState;
+  static AnycubicMediaPauseState mediaPauseState;
+
+  static float CodeValue();
+  static bool CodeSeen(char);
+  static bool IsNozzleHomed();
+  static void RenderCurrentFileList();
+  static void RenderSpecialMenu(uint16_t);
+  static void RenderCurrentFolder(uint16_t);
+  static void GetCommandFromTFT();
+  static void CheckSDCardChange();
+  static void CheckPauseState();
+  static void CheckPrintCompletion();
+  static void HandleSpecialMenu();
+  static void DoSDCardStateCheck();
+  static void DoFilamentRunoutCheck();
+  static void StartPrint();
+  static void PausePrint();
+  static void ResumePrint();
+  static void StopPrint();
+
+  static char SelectedDirectory[30];
+  static char SelectedFile[FILENAME_LENGTH];
+};
+
+extern AnycubicTFTClass AnycubicTFT;
+extern const char G28_STR[];